Finding the Fourth Proportional to 112,514.67, 155,275.92 and 64,774.89

Step by Step Solution

1. Step 1: Write the proportion equation
   112,514.67 : 155,275.92 = 64,774.89 : x
2. Step 2: Convert to fraction form
   112,514.67/155,275.92 = 64,774.89/x
3. Step 3: Cross multiply
   112,514.67x = 155,275.92 × 64,774.89
4. Step 4: Simplify right side
   112,514.67x = 10,057,980,637.65
5. Step 5: Solve for x
   x = 10,057,980,637.65/112,514.67
6. Step 6: Final answer
   x = 89,392.62